---
product_id: 184695039
title: "FCS II Reactor PC Quad Rear Fins Charcoal/Black Medium"
brand: "fcs"
price: "121763CFA"
currency: XOF
in_stock: true
reviews_count: 5
category: "Fcs"
url: https://www.desertcart.sn/products/184695039-fcs-ii-reactor-pc-quad-rear-fins-charcoal-black-medium
store_origin: SN
region: Senegal
---

# Upright template for sharper turns Smaller center fin for precise pivot Quad rear fin setup for max speed FCS II Reactor PC Quad Rear Fins Charcoal/Black Medium

**Brand:** fcs
**Price:** 121763CFA
**Availability:** ✅ In Stock

## Summary

> 🏄‍♂️ Ride the wave of speed and precision with FCS II Reactor PC Quad Fins!

## Quick Answers

- **What is this?** FCS II Reactor PC Quad Rear Fins Charcoal/Black Medium by fcs
- **How much does it cost?** 121763CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/184695039-fcs-ii-reactor-pc-quad-rear-fins-charcoal-black-medium)

## Best For

- fcs enthusiasts

## Why This Product

- Trusted fcs brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Quad Fin Power Boost:** Dual rear fins maximize speed and stability on hollow beach break waves.
- • **Precision Tail Release:** Smaller center fin enhances pivoting and smooth tail slides for expert snaps.
- • **Pro-Grade Collaboration:** Co-designed with world-class surfers and shapers to elevate your performance.
- • **Seamless FCS II Compatibility:** Effortless pull-on system fits perfectly on performance shortboards with moderate-to-low rocker.
- • **Engineered for Lightning-Fast Maneuvers:** Upright fin design delivers razor-sharp directional control for aggressive turns.

## Overview

The FCS II Reactor PC Quad Rear Fins in Charcoal/Black Medium are high-performance surfboard fins crafted from durable polycarbonate. Designed for speed and tight turns, these fins feature an upright template and a smaller center fin for enhanced pivot and tail release. Ideal for beach breaks and hollow waves, they fit the FCS II Fin System and are favored by professional surfers for their precision and responsiveness.

## Description

Speed ​& tight turns. Ideal for beach breaks.

Review: Good 👍 - Good fins. At first, I was worried since it is too upright, but now, since it's a quad, it's not an issue Alon avisar
Review: Speed - These fins work great! They seemed to add speed and still had enough release on the snaps to slide the tail around.

## Features

- Upright template allows for tighter, more acute directional changes.
- OverviewDesigned for speed and tight turns, with added tail release.
- Smaller centre fin for increased pivot and tail release.
- Designed in collaboration with the world's leading surf athletes and surfboard shapers, the FCS range offers a diverse range of surfboard accesories suited to a variety of board models, wave conditions and surfing styles. FCS fins are the preferred choice by the world’s best surfers and shapers.
- - Quad Rear (2 fin) set.Ideal ConditionsSuitable for hollow waves, particularly good for beach breaks.Board TypesDesigned to fit the FCS II Fin System. - Recommended for performance shortboards with moderate-to-low rocker.Fin FamilyReactor: Find Speed. Speed, tight turns & snaps.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B084ZXRSJ2 |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #499,893 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #338 in Surfing Fins |
| Brand | FCS |
| Brand Name | FCS |
| Closure Type | Pull-On |
| Color | Charcoal/Black |
| Customer Reviews | 4.8 out of 5 stars 27 Reviews |
| Fit Type | Regular |
| Manufacturer | FCS |
| Manufacturer Part Number | FREA-PC04-MD-RS-R |
| Material | Polycarbonate (PC) |
| Material Type | Polycarbonate (PC) |
| Model Number | model |
| Sport | Surfing |
| Sport Type | Surfing |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** FCS
- **Color:** Charcoal/Black
- **Fit Type:** Regular
- **Material:** Polycarbonate (PC)
- **Sport:** Surfing

## Images

![FCS II Reactor PC Quad Rear Fins Charcoal/Black Medium - Image 1](https://m.media-amazon.com/images/I/51gnKYkBMkL.jpg)
![FCS II Reactor PC Quad Rear Fins Charcoal/Black Medium - Image 2](https://m.media-amazon.com/images/I/51MVmxyrZ5L.jpg)

## Questions & Answers

**Q: Is its  a set our just one?**
A: It's a set of two back fins.

**Q: how many come in the package?**
A: Hi there, thank you for reaching out! Two fins come in the package.

**Q: What is the foil?**
A: The fin foil is an aerodynamic shape from front to back of the fin. Much like the wings on an plane, this foil generates lift under the board. A fin is usually going to get thicker through the center of the fin and taper smaller out towards the edges

**Q: Can I use these rears with the front fins of my reator thruster fin set?**
A: Yes they are the rear 2 fins that will convert your tri fin set up to a quad.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good 👍
*by D***R on February 21, 2025*

Good fins. At first, I was worried since it is too upright, but now, since it's a quad, it's not an issue Alon avisar

### ⭐⭐⭐⭐⭐ Speed
*by J***R on September 12, 2021*

These fins work great! They seemed to add speed and still had enough release on the snaps to slide the tail around.

### ⭐⭐⭐⭐⭐ Love these fins!
*by D***S on September 15, 2022*

Super versatile if you get a full quad set.

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**Shop now:** [https://www.desertcart.sn/products/184695039-fcs-ii-reactor-pc-quad-rear-fins-charcoal-black-medium](https://www.desertcart.sn/products/184695039-fcs-ii-reactor-pc-quad-rear-fins-charcoal-black-medium)

---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-07-11*